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Type of information:
experimental study
Adequacy of study:
key study
Study period:
January 2010
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
comparable to guideline study with acceptable restrictions
Reason / purpose for cross-reference:
reference to other study
equivalent or similar to guideline
other: DIN 51562 ASTM D 445
GLP compliance:
Other quality assurance:
other: DIN EN ISO 9001
Type of method:
capillary viscometer (static)
Key result
dynamic viscosity (in mPa s)

 Details on single measurements:

 Temperature /°C  kin. Viscosity (1. Measurement) /mm²/s

 kin. Viscosity (2. Measurement) /mm²/s

 20  12.740  12.760
 40  6.860  6.859

Accuracy < +/- 0.5%

The dynamic viscosity was calculated from the arithmetic mean of the kinematic viscosity (2 replicates) based on the density ( 0.8996 g/cm³) of the test item at 20°C:

11.470 mPa s.

Kinematic viscosity at 40°C (arithmetic mean of 2 replicates): 6.86 mm^2/s

Dynamic viscosity: 11.47 mPa s (20 °C)
Executive summary:

Viscosity was determined using the capillary viscosimeter method (kinematic viscosity; ASTM D 445; mean of two determinations) at 20 °C and 40 °C:

12.75 mm^2/s at 20°C, corresponding to a dynamic viscosity of 11.47 mPa s.

6.86 mm^2/s at 40°C.

The laboratory complied with a quality management system according to DIN EN ISO 9001 : 2008.

Description of key information

Dynamic viscosity (ASTM D 445): 11.47 mPas at 20°C;
Kinematic viscosity (ASTM D 445): 6.86 mm^2/s at 40°C

Key value for chemical safety assessment

11.47 mPa · s (dynamic)
at the temperature of:
20 °C

Additional information

Based on the kinematic viscosity of the test item at 40°C (arithmetic mean of 2 replicates) of 6.86 mm^2/s, for hydrocarbons a classification as Aspiration toxicity, Hazard Category 1 would be applicable according to REGULATION (EC) No 1272/2008 (CLP). However, the submission substance is invariably a carboxylic acid. Thus, classification criteria based on viscosity do not apply to the submission substance.


In conclusion, according to REGULATION (EC) No 1272/2008 (CLP) no classification requirements exist for the submission substance with regard to aspiration toxicity.